<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>d
    <form action="/rr/demo3" method="post">
        <input type="text" name="username">
        <input type="password" name="pwd">
       <input type="submit" value="提交">

    </form>
<hr>
<form action="/rr/demo8" method="post">
    姓名：<input type="text" name="username"><br>
    密码：<input type="password" name="pwd"><br>
    爱好:<input type="checkbox" name="hobby" value="sing">唱
    <input type="checkbox" name="hobby" value="dance">跳
    <input type="checkbox" name="hobby" value="rop">rop<br>
    <input type="submit" value="登陆">
</form>
<hr>
<a href="/rr/download?filename=方法详解as.png">Request方法详解.png</a>
<a href="/rr/download?filename=Response方法详解.zip">Response方法详解.zip</a>

</body>
</html>